Here is a tutorial to convert CSV to XLS or XLSX using the command-line interface in Windows 11/10. There are multiple ways to convert a CSV file to Excel formats (XLS, XLSX). You can use Microsoft ...
How-To Geek on MSN
Don't just hit save: 5 Excel formats that will change the way you work
Upgrade from standard Excel workbooks to specialized formats that shrink, shield, and streamline your spreadsheets.
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